Boxing rounds

Every boxer and boxing fan is familiar with “Ding! Ding! Ding! Round 1.” This is a cry that proclaims the start of the first round in a boxing match, but how long is a. A Free Online Boxing Timer. Round Rounds: 12; Prepare: ; Round: ; Warning: ; Rest: Total Time: Setup; Start. Depends at what point in your professional career you're at. First off, in amateur bouts traditionally they're just three rounds - three minutes each.